Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2008-05-06
2008-05-06
Maung, Nay (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S069000, C455S127100, C455S126000
Reexamination Certificate
active
10915186
ABSTRACT:
A method for a closed power control feedback loop allows a single portable transceiver architecture to be used for systems in which a transmit signal including both a phase modulated (PM) component and an amplitude modulated (AM) component are supplied to a power amplifier and in systems in which the transmit signal has only a PM component supplied to a power amplifier. By injecting the inverse of the AM portion of the desired transmit signal into the closed power control feedback loop, the feedback loop will not cancel the AM portion of the signal, thus allowing a system where both a PM component and an AM component of the transmit signal are present at the output of the power amplifier to function using a closed power control feedback loop.
REFERENCES:
patent: 5485486 (1996-01-01), Gilhousen et al.
patent: 6034952 (2000-03-01), Dohi et al.
patent: 6070086 (2000-05-01), Dobrica
patent: 6512931 (2003-01-01), Kim et al.
patent: 2005/0064828 (2005-03-01), Kurakami et al.
Damgaard Morten
Domino William J.
Rozenblit Dmitriy
Vakilian Nooshin D.
Lee John J.
Maung Nay
Skyworks Solutions Inc.
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